Ultrasonic insect repellent works by sending out confusing pulses, directly affecting the nerve hearing and immunity of each pest, keeping pests away from your home or office, suitable for houses, warehouses, offices, hotels.
Friendly to humans and pets, keep away all kinds of small enemies, such as mice, rats, mosquitoes, flies, beetles, cockroaches, moths, ants, bed bugs, etc.
Insect repellent covers up to 115 square meters. You should use one unit per room for best results, as ultrasonic waves cannot pass through walls or solid objects. Indoor spaces suitable for this kind of repeller plug-in ultrasound are houses, garages, offices, companies, restaurants, warehouses, etc.
You just plug the spider repellant into the outlet and it will run automatically. Rodent repellants must take several days to work effectively.